Move the panda builder onto panda4.
Move the panda builder onto panda4.

Why?  I have no idea.  This was found live on Master4.

BUG=None
TEST=None/Live

Review URL: http://codereview.chromium.org/8788014

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@112911 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build